__2__ According to Xinhua News Agency, the food wasted by Chinese people is about 50 million tons of grain every year, which could feed 200 million people.

　　Food waste, which has become a global issue, serves as a mirror that reflects various cultural and social issues in different countries. In the West, for instance, consumerism, the belief that it's a good thing to use a lot of goods and services, is often to blame for food waste. __3__ Chinese people are well known for being hospitable and generous. Many even feel that they lose face if their guests have eaten all the food. On campus, a generation of single children is less aware of the food waste issue. Students nowadays are well protected by their families and hardly have any concept of how much toil (辛劳) others go through in order to provide them with the food they eat.

　　__4__ There are over 925 million hungry people in the world, most of whom live in underdeveloped countries and areas. They don't have enough food to eat. Many children die for lack of nutrition each year in some African countries. And farmers work very hard to grow the crops. __5__ It's also important that everyone should think about how they can do their bit to reduce food waste.

　　A．Students' waste is extremely serious.

　　B．China, in turn, features its own eating culture.

　　C．Students can never realize the serious food crisis.

　　D．Compared with them, some live in a different world.

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